To express the solution \( x < -7.5 \) in set notation, we can write it as:
\[ { x \in \mathbb{R} \mid x < -7.5 } \]
This notation indicates the set of all real numbers \( x \) that satisfy the condition \( x < -7.5 \).
1 answer
To express the solution \( x < -7.5 \) in set notation, we can write it as:
\[ { x \in \mathbb{R} \mid x < -7.5 } \]
This notation indicates the set of all real numbers \( x \) that satisfy the condition \( x < -7.5 \).